MQ135 Gas Sensor

Order Code: 25268425.1.2

Category: General Lab Equipment V

Overview: This multi-purpose Gas Sensor Module is designed to detect a variety of gases including ammonia (NH?), nitrogen oxides (NO?), alcohol, benzene, smoke, and carbon dioxide (CO?). Featuring both analog and digital outputs, it is ideal for a...



SPECIFICATION

Overview:

This multi-purpose Gas Sensor Module is designed to detect a variety of gases including ammonia (NH?), nitrogen oxides (NO?), alcohol, benzene, smoke, and carbon dioxide (CO?). Featuring both analog and digital outputs, it is ideal for air quality monitoring, safety systems, and IoT-based environmental sensing applications.

Technical Specifications:

  • Operating Voltage: +5V DC

  • Gas Detection Range: NH?, NO?, alcohol, benzene, smoke, CO?

  • Analog Output Voltage: 0V to 5V

  • Digital Output Voltage: 0V or 5V (TTL logic)

  • Preheat Time: ~20 seconds for stable operation

Features:

  • Wide Gas Detection Range for diverse environmental applications

  • Fast Response Time and High Sensitivity

  • Stable Performance with a Long Service Life

  • Works as both Digital and Analog Sensor

  • Adjustable Digital Sensitivity via onboard potentiometer

Applications:

  • Air quality monitoring systems

  • Home and industrial gas leak detection

  • Smart HVAC and IoT environmental monitoring

  • Safety systems in vehicles, kitchens, and factories

  • Educational and prototyping projects

 

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